Benzophenone-3 (Oxybenzone) CAS 131-57-7
Buy Benzophenone-3 CAS 131-57-7 UV-9 is a light yellow or white crystalline powder, also known as sunscreen 2, BP-3. UV-9 can absorb UV-A and UV-B together, is the US FDA approved Class I sunscreen and being used with a higher frequency in the US and European countries. UV-9 is widely used in sunscreen cream, cream, honey, lotion, oil and other sunscreen cosmetics, but also as a product from the photosensitive and discoloration of the anti-discoloration agent. In addition, it is usually used for PVC and unsaturated polyester and many other fields, because UV-9 has good compatibility with many kinds of plastics and resins.
Appearance Light yellow green crystal powder
Melting point 62.0-65.0℃
UV absorption coefficient (1%, 1cm)E288 ≥630
UV absorption coefficient (1%, 1cm)E325 ≥410
Loss on drying ≤0.2％
Gardner color ≤4.0
Residue on ignition ≤ 0.1 %
Heavy metal ≤5 ppm
Used as a pharmaceutical intermediates,ultraviolet screen,sunscreen and UV stabilizer.
Storage & Handling
Store in a dry, cool, well-ventilated area away from heat ,open flames, organic chemicals, oxidants and light.
Always refer to the Material Safety Data Sheet (MSDS) for detailed information on handling and disposal.